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J. J. EAGAN. CONCRETE VESSEL.

APPLICAT ON FI1.ED JULY 11. 1918. 16,8, PatentedSept.16,1919.

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J. J. EAGAN.

CONCRETE vVESSEL.

APPUCATION FILED JULY H. 1918.

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JOHN J. naeaiv, organ FRANCISCO, ont-ironnm.

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Application filed. .Tulyll, 1918. Serial l lo. 244,401.

To all whom it may concern:

Be it known that I, J OIINU EAGAN', a citizen of the United States, residing at the city of San Francisco, in the county of San Francisco and State of California, have in vented certain new and useful Improvements in Concrete Vessels, of which the following is a specification.

My invention relates to improvements in concrete ships. i i

The object of my invention is toprovide an improved construction ofa concrete vessel having the great rigidity necessary to such type of vessel so as to withstand the heaviest seas, and to carry out said object I construct a framework of hollowtubular members embedded in concrete and also fill said members with concrete, and also connect said concrete in the interior of said members with the outer shell of concrete so as to form an integral and homogeneous mass of said material molded andreinforced with the metallic members therein.

My invention consists in the novel arrangement and combination of parts shown in the accompanying drawing, described in the following specification and claimed in the appended claims.

Referring to the said drawing illustrating my invention Figure 1 is a side view of a ship embodying my improved construction, parts thereof being broken away and shown in section. Fig. 2 is a transverse vertical section of the same.

In the figures A represents a concrete vessel, having the reinforcement thereof made of tubular material to form the frame as shown. 2 is a central longitudinal tubular member running the length of the vessel and forming a keel and the front end thereof is bent up as shown at 3 for forming the stem of the vessel and the rear end of said tubular member is also bent up as shown at 5. A curved member 4: is supported by the tubular member 2 and its extension 5 is shown as a support for the stern of the vessel. The rudder 6 is connected to and supported by the bent portion 5 and the pivoted rod extends upwardly through the sleeve encircling member 4, said sleeve being shown broken away in the drawing. Running transversely of the vessel at certain intervals and passing through the central tubular member at the bottom are ribs 9 and which are bent up to form side supports for the vessel. Reinforcing and metallic tubes 10 partments 12.

Specification of Letters Patent. P afl nted Sept. 16, 1919.

are also placed at certainintervalsbetween the members 9 runnlnglongltudinally for the purpose of forming a rigid structure the full length of the vessel, said ribs 9 being provided withcentral openings {to receive said tubes therethrough. The hull of the vessel at the bottom is supported by tubular braces 11 running vertically from the lower portion 8 of ribs 9 and connected upwardly with transverse tubes 13 to supportthe upperwall 14 of the bottom and thereby with the surrounding concrete, as

shown in section in the figures, forming com- At certain intervals and spaced from each other are columns 15 mounted and coupled centrallv throughithe vessel as shown to support the upperand lower decks 18, and the same are reinforced by meansof transverse tubes' lfi secured to the said central columns andendwiseto the opposite ribs 91 The decks and bottom have reinforcing tubes 17 runnin longitudinally i the length of he vessel and also reinforcements 19 of tubular metallic material running inthe same direction to brace the verticaltubularmembers 9 and also the transverse member 8 at the bottom.

It is stated and will be observed that all the tubular members forming the frame of the vessel are filled with concrete, as shown at 20, and also at the bottom and sides of the hull, and the upper and lowerdecks extra reinforcements consisting of wire mesh are provided as particularly shown at 21. After the filling of the frame structure with cement or concrete a thin layer of c0n-. crete is placed along the inside of the struc- 'ture as shown at 22. It will be understood that the tubular members as shown and described will be made in sections and have suitable joints for connecting the same.

Transverse members 8 and vertical members 9 have outer side openings 23 made in the tubing shown so that the concrete will force through said perforations in the laying and form lugs to anchor the concrete that 'forms the shell of the vessel, supported by the frame as shown. In the construction use slip joints 24 which I prefer to hold in position by means of pins running through the same as shown in dotted lines wherein the openings therefor appear.

Although I have shown the preferred form of my invention, and also described the same, I claim all modifications that fall withinits spirit and scope.

-.bottom of said vessel having I claiin:'

1. In a vessel a shell of concrete having a plurality of integral U-shaped ribs of tubing for the bottom and sides thereof provided with central openings and outer side tubes extending longitudinally through said central openings, a filling of concrete in said ribs and continuously connected to said shell of concrete through said outer'side openings, a central longitudinal concrete-filled tubular member through the bent-up ends, transverse concrete-filled tubing for supporting the decks and extending into said 1U-'sh1aped ribs, vertically and centrally placed hollow columns held by said tubular flmember -a;nd connected to said transverse plurality; of integral ,ing ftfo'r @the bottom and sides thereof pro- -,eoncrete-filled tubing for supporting the same, and a-pluralityofspaced vertical c0lumns embedded in concrete endwise sup- ,portedbysaidiU-shaped ribs and the lowermost-of said transverse concrete-filledtubing forming compartments for tionofvsaid vessel.

2. lnavessel aishellof concrete having :a

U-shapedlribs of tubthe bottom porvidedawith central openings and outer side openings, tubes extending longitudinally through said 'central openings, a filling of concrete in saidzrilos and continuously connectedto said shell of concrete through said Outer side openings, :1 central longitudinal concrete-filled tubular member through the bottom of said vessel having bent-up ends,

and connected to said transverse eonerctefilled tubing for supporting the same, a plurality of spaced vertical columns embedded in concrete endwise supported by said U-shaped ribs and the lowermost 01" said transverse concrete-filled tubing iormin; compartments for the bottom of said vessel, and slip joints for the sides of said ribs having apertures theretl'irough for pins.

3. In a vessel a concrete shell, a plurality of integral U-shaped concrete-filled ribs of tubing in said shell provided with central openings and outer side openings, concretefilled tubes running through said central openings and connecting said ribs, and concrete extending through said outer side openings and connecting the concrete fillin of said ribs with the concrete shell.

In testimony whereof I allix my signature, in presence of two witnesses.

JOHN J. EAGAN.

Witnesses:

PATRICK J. FARRELLY, ROBERT J. SMITH.

fflopiesof this ,patent may in obtained for :five cents each, by addressing the Commissioner of Patents, "Washington, D. C. 

